diff --git a/advanced_topics/06_decorators.ipynb b/advanced_topics/06_decorators.ipynb
index 706a427c32d1484a92114c7b27ce459aaf0c2c54..e7ad3814896813f70b44ee9d026285e87eb598e1 100644
--- a/advanced_topics/06_decorators.ipynb
+++ b/advanced_topics/06_decorators.ipynb
@@ -498,8 +498,10 @@
     "                # remove the oldest item. In practice\n",
     "                # it would make more sense to remove\n",
     "                # the item with the oldest access\n",
-    "                # time, but this is good enough for\n",
-    "                # an introduction!\n",
+    "                # time (or remove the least recently\n",
+    "                # used item, as the built-in\n",
+    "                # @functools.lru_cache does), but this\n",
+    "                # is good enough for now!\n",
     "                if len(cache) >= maxSize:\n",
     "                    cache.popitem(last=False)\n",
     "\n",